CN205830005U - A kind of diaphragm structure of pronunciation device - Google Patents
A kind of diaphragm structure of pronunciation device Download PDFInfo
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- CN205830005U CN205830005U CN201620508425.8U CN201620508425U CN205830005U CN 205830005 U CN205830005 U CN 205830005U CN 201620508425 U CN201620508425 U CN 201620508425U CN 205830005 U CN205830005 U CN 205830005U
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- carbon fiber
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- top dome
- diaphragm
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Abstract
This utility model relates to the diaphragm structure of a kind of pronunciation device, vibration section is provided with top dome structure, described top dome structure includes foaming body, also include laying respectively at one layer of first carbon fiber layer of foaming body both sides, one layer of second carbon fiber layer, be also respectively provided with one layer of first engineering plastic bed of material, one layer of second engineering plastic bed of material in described first carbon fiber layer, the outside of the second carbon fiber layer.Diaphragm structure of the present utility model, after top dome shaping structures, carbon fiber layer, foaming body, the engineering plastic bed of material can be utilized to make top dome structure directly against being combined on vibrating diaphragm use through gluing or gum, the quality of top dome structure can be substantially reduced, thus improve the sensitivity of diaphragm structure.And, also add the modulus-to-density ratio of top dome structure, thus improve the high-frequency cut-off frequency of diaphragm structure, enhance the high frequency performance of speaker.
Description
Technical field
This utility model relates to sound-producing device field, applies at pronunciation device more specifically, this utility model relates to one
In diaphragm structure.
Background technology
Along with growth in the living standard, people are more and more higher to the requirement of speaker series products.Wherein, top dome is vibrating diaphragm
One of vitals in structure, its frequency that can be used to regulate vibrating diaphragm, the tonequality of sounding there is is important impact.
Existing top dome structure, typically uses the materials such as aluminium foil, and the top dome of such material not only quality is big, causes product high
The corresponding characteristic of frequency is bad；And heat resistance is the highest, which limits the range of corresponding speaker.
Utility model content
A purpose of the present utility model there is provided the diaphragm structure of a kind of pronunciation device.
According to an aspect of the present utility model, it is provided that the diaphragm structure of a kind of pronunciation device, including vibrating diaphragm, described vibrating diaphragm
Including being positioned at the vibration section at middle part, being positioned at the connecting portion at edge, and the ring portion between vibration section and connecting portion: in institute
Stating and be provided with top dome structure on vibration section, described top dome structure includes foaming body, also includes laying respectively at the one of foaming body both sides
Layer the first carbon fiber layer, one layer of second carbon fiber layer, set the most respectively in described first carbon fiber layer, the outside of the second carbon fiber layer
It is equipped with one layer of first engineering plastic bed of material, one layer of second engineering plastic bed of material.
Optionally, the described first engineering plastic bed of material, the first carbon fiber layer, foaming body, the second carbon fiber layer, the second engineering
Plastic layer hot pressing is together.
Optionally, the described first engineering plastic bed of material, the second engineering plastic bed of material are PEN, gather benzene
One in naphthalate, Polyetherimide, LCP, polyimides, polyether-ether-ketone, polyarylate.
Optionally, described first carbon fiber layer, the second carbon fiber layer are unidirectional carbon prepreg, carbon fiber woven cloth
One in prepreg, chopped carbon fiber class prepreg, carbon fiber paper.
Optionally, described foaming body is PI foaming body or PMI foaming body.
Optionally, described top dome structure is bonded together by glue material with vibrating diaphragm.
Optionally, described top dome structure is slab construction, and it fits together with the vibration section of vibrating diaphragm.
Optionally, the middle part of described vibration section is provided with hollow out.
Optionally, the middle part of described top dome structure is formed with convex closure.
Optionally, described vibration section being provided with hollow out, described convex closure extends towards described hollow out.
Diaphragm structure of the present utility model, after top dome shaping structures, can make directly against being combined on vibrating diaphragm through gluing or gum
With, utilize carbon fiber layer, foaming body, the engineering plastic bed of material to make top dome structure, the quality of top dome structure can be substantially reduced, thus
Improve the sensitivity of diaphragm structure.And, also add the modulus-to-density ratio of top dome structure, thus improve diaphragm structure
High-frequency cut-off frequency, enhances the high frequency performance of speaker.
By detailed description to exemplary embodiment of the present utility model referring to the drawings, of the present utility model other
Feature and advantage thereof will be made apparent from.
Accompanying drawing explanation
The accompanying drawing of the part constituting description describes embodiment of the present utility model, and uses together with the description
In explaining principle of the present utility model.
Fig. 1 is the profile of this utility model diaphragm structure.
Fig. 2 is the profile of top dome structure in Fig. 1.
Fig. 3 is the profile of this utility model another embodiment of diaphragm structure.
Detailed description of the invention
Various exemplary embodiment of the present utility model is described in detail now with reference to accompanying drawing.It should also be noted that it is unless another
Illustrating outward, the parts illustrated the most in these embodiments and positioned opposite, the numerical expression of step and numerical value do not limit
Make scope of the present utility model.
Description only actually at least one exemplary embodiment is illustrative below, never as to this practicality
Any restriction that is novel and that apply or use.
May be not discussed in detail for technology and equipment known to person of ordinary skill in the relevant, but in suitable situation
Under, described technology and equipment should be considered a part for description.
It is shown here that any occurrence should be construed as merely exemplary with in all examples discussed, and not
It is as restriction.Therefore, other example of exemplary embodiment can have different values.
It should also be noted that similar label and letter represent similar terms, therefore, the most a certain Xiang Yi in following accompanying drawing
Individual accompanying drawing is defined, then need not it is further discussed in accompanying drawing subsequently.
With reference to Fig. 1, this utility model provides the diaphragm structure of a kind of pronunciation device, and it includes vibrating diaphragm 2 and is compounded in
Top dome structure 1 on vibrating diaphragm 2.Described vibrating diaphragm 2 includes being positioned at the vibration section 22 at middle part, being positioned at the connecting portion 20, Yi Jiwei at edge
Ring portion 21 between vibration section 22 and connecting portion 20.Connecting portion 20, ring portion 21, vibration section 22 can be one-body molded
's.Assembling pronunciation device when, vibrating diaphragm 2 is connected through portion 20 and is mounted on the housing of pronunciation device, thus by vibrating diaphragm 2
It is supported integrally in the top of housing cavity volume；Vibrating diaphragm 2 sends corresponding sound by the vibration of its vibration section 22；Shake by being positioned at
Dynamic ring portion 21 between portion 22 and connecting portion 20, can be effectively improved the vibration performance of vibration section 22.
This vibrating diaphragm 2 can be made up of one or more layers of materials, and such as they can be by engineering plastics (such as polyether-ether-ketone, PAR plastics
Deng), elastomeric material (such as Polyurethane Thermoplastic Elastomer rubber, thermoplastic polyester elastomer, silicone rubber etc.), glued membrane is (such as third
Olefin(e) acid esters glue, silicone glue etc.) etc. in one or more Material claddings composition, thickness preferably 0.02mm-0.5mm it
Between.This composite construction of vibrating diaphragm and the technique of molding thereof belong to the common knowledge of those skilled in the art, no longer have at this
Body explanation.
Top dome structure 1 of the present utility model is arranged on the position, vibration section 22 of vibrating diaphragm 2, and the two can be bonded in one by glue material
Rise, such as can be by after top dome structure 1 gum or gluing, directly against being contained on vibration section 22.Glue material can select glue or double
Face glue etc., this belongs to the common knowledge of those skilled in the art, no longer illustrates at this.
Top dome structure 1 of the present utility model includes that the foaming body 1c, foaming body 1c with microcellular structure such as can use
PI foaming body or PMI foaming body, its thickness is preferably provided between 0.05mm to 0.4mm.Both sides at described foaming body 1c
It is respectively arranged with one layer of first carbon fiber layer 1b, one layer of second carbon fiber layer 1d；At described first carbon fiber layer 1b, the second carbon fibre
The outside of dimension layer 1d is also respectively provided with one layer of first engineering plastic bed of material 1a, one layer of second engineering plastic bed of material 1e.
Wherein, described first engineering plastic bed of material 1a, the second engineering plastic bed of material 1e such as can use poly-naphthalenedicarboxylic acid ethylene glycol
One in ester, polyethylene terephthalate, Polyetherimide, LCP, polyimides, polyether-ether-ketone, polyarylate, preferably
Its thickness is more than or equal to 3um.Described first carbon fiber layer 1b, the second carbon fiber layer 1d preferably employ unidirectional carbon preimpregnation
One in material, carbon fiber woven cloth prepreg, chopped carbon fiber class prepreg, carbon fiber paper.Preferably its thickness is at 0.02-
Between 0.4mm.Wherein, the first engineering plastic bed of material 1a, the second engineering plastic bed of material 1e preferably employ identical material, identical thickness
Degree, the first carbon fiber layer 1b, the second carbon fiber layer 1d preferably employ identical material, identical thickness so that top dome structure structure
Become symmetrical structure.
Can directly to the first engineering plastic bed of material 1a, the first carbon fiber layer 1b, foaming body 1c, the second carbon fiber layer 1d, second
Engineering plastic bed of material 1e carries out hot pressing, thus obtains described top dome structure 1；Can also be to carry out gluing (such as between the layers
Resin glue), then carry out hot pressing, thus obtain described top dome structure 1.
In one specific embodiment of this utility model, described top dome structure 1 can be hot pressed into tabular, this top dome
Structure 1 fits together with the position, vibration section 22 of vibrating diaphragm 2, with reference to Fig. 1.Can certainly be, in described vibration section 22
Position installs hollow out so that the position of top dome structure 1 correspondence is suspended in this hollow out.
In another specific embodiment of this utility model, the middle part of described top dome structure 1 is formed with convex closure 10；Example
During as being fitted in the top of vibration section 22 when top dome structure 1, this convex closure 10 is directed away from the direction of vibration section 22 and extends.The most also
It may be that the medium position in described vibration section 22 arranges hollow out 23, now, described convex closure 10 can be directed away from vibration section 22
Direction extend, it is also possible to extend in described hollow out 23, with reference to Fig. 3.
Diaphragm structure of the present utility model, after top dome shaping structures, can be directly against being combined on vibrating diaphragm after gluing or gum
Use, utilize carbon fiber layer, foaming body, the engineering plastic bed of material to make top dome structure, the quality of top dome structure can be substantially reduced, from
And improve the sensitivity of diaphragm structure.And, also increase the modulus-to-density ratio of top dome structure, thus improve diaphragm structure
High-frequency cut-off frequency, enhances the high frequency performance of speaker.
Although by example, specific embodiments more of the present utility model have been described in detail, but this area
It is to be understood by the skilled artisans that above example is merely to illustrate rather than in order to limit scope of the present utility model.This
Field it is to be understood by the skilled artisans that can be in the case of without departing from scope and spirit of the present utility model, to above example
Modify.Scope of the present utility model is defined by the following claims.
Claims (10)
1. the diaphragm structure of a pronunciation device, it is characterised in that: include that vibrating diaphragm (2), described vibrating diaphragm (2) include being positioned at middle part
Vibration section (22), it is positioned at the connecting portion (20) at edge, and is positioned at the ring portion between vibration section (22) and connecting portion (20)
(21): be provided with top dome structure (1) on described vibration section (22), described top dome structure (1) includes foaming body (1c), also includes
Lay respectively at one layer of first carbon fiber layer (1b) of foaming body (1c) both sides, one layer of second carbon fiber layer (1d), described first
Carbon fiber layer (1b), the outside of the second carbon fiber layer (1d) be also respectively provided with one layer of first engineering plastic bed of material (1a), one layer
The two engineering plastic bed of materials (1e).
Diaphragm structure the most according to claim 1, it is characterised in that: the described first engineering plastic bed of material (1a), the first carbon are fine
Dimension layer (1b), foaming body (1c), the second carbon fiber layer (1d), the second engineering plastic bed of material (1e) hot pressing are together.
Diaphragm structure the most according to claim 1, it is characterised in that: the described first engineering plastic bed of material (1a), the second engineering
Plastic layer (1e) be PEN, polyethylene terephthalate, Polyetherimide, LCP, polyimides,
One in polyether-ether-ketone, polyarylate.
Diaphragm structure the most according to claim 1, it is characterised in that: described first carbon fiber layer (1b), the second carbon fiber
Layer (1d) is in unidirectional carbon prepreg, carbon fiber woven cloth prepreg, chopped carbon fiber class prepreg, carbon fiber paper
Kind.
Diaphragm structure the most according to claim 1, it is characterised in that: described foaming body (1c) is PI foaming body or PMI
Foaming body.
Diaphragm structure the most according to claim 1, it is characterised in that: described top dome structure (1) and vibrating diaphragm (2) are by glue material
It is bonded together.
Diaphragm structure the most according to claim 1, it is characterised in that: described top dome structure (1) is slab construction, its with shake
The vibration section (22) of film (2) fits together.
Diaphragm structure the most according to claim 7, it is characterised in that: the middle part of described vibration section (22) is provided with hollow out.
Diaphragm structure the most according to claim 1, it is characterised in that: the middle part of described top dome structure (1) is formed with convex closure
(10)。
Diaphragm structure the most according to claim 9, it is characterised in that: it is provided with hollow out (23) on described vibration section (22),
Described convex closure (10) extends towards described hollow out (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620508425.8U CN205830005U (en) | 2016-05-30 | 2016-05-30 | A kind of diaphragm structure of pronunciation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620508425.8U CN205830005U (en) | 2016-05-30 | 2016-05-30 | A kind of diaphragm structure of pronunciation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205830005U true CN205830005U (en) | 2016-12-21 |
Family
ID=57558342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620508425.8U Active CN205830005U (en) | 2016-05-30 | 2016-05-30 | A kind of diaphragm structure of pronunciation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205830005U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106792379A (en) * | 2017-01-20 | 2017-05-31 | 瑞声光电科技(常州)有限公司 | Carbon fiber top dome, the preparation method of carbon fiber top dome and loudspeaker |
| CN109467930A (en) * | 2018-11-28 | 2019-03-15 | 惠州市威隆展业实业有限公司 | A kind of earphone diaphragm material and preparation method thereof |
| CN109862482A (en) * | 2018-12-29 | 2019-06-07 | 瑞声声学科技(深圳)有限公司 | A kind of top dome material, vibrating diaphragm and loudspeaker |
| CN110677784A (en) * | 2019-09-29 | 2020-01-10 | 歌尔股份有限公司 | Loudspeaker of sound cone and applied this sound cone |
| CN110677783A (en) * | 2019-09-29 | 2020-01-10 | 歌尔股份有限公司 | Foam material, vibrating plate and loudspeaker |
| WO2021208474A1 (en) * | 2020-04-17 | 2021-10-21 | 歌尔股份有限公司 | Loudspeaker vibration diaphragm and sound production device |
| CN113709636A (en) * | 2020-05-20 | 2021-11-26 | 歌尔股份有限公司 | Vibrating plate and sound generating device |
-
2016
- 2016-05-30 CN CN201620508425.8U patent/CN205830005U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106792379A (en) * | 2017-01-20 | 2017-05-31 | 瑞声光电科技(常州)有限公司 | Carbon fiber top dome, the preparation method of carbon fiber top dome and loudspeaker |
| CN109467930A (en) * | 2018-11-28 | 2019-03-15 | 惠州市威隆展业实业有限公司 | A kind of earphone diaphragm material and preparation method thereof |
| CN109862482A (en) * | 2018-12-29 | 2019-06-07 | 瑞声声学科技(深圳)有限公司 | A kind of top dome material, vibrating diaphragm and loudspeaker |
| CN109862482B (en) * | 2018-12-29 | 2021-10-01 | 瑞声声学科技(深圳)有限公司 | Ball top material, vibrating diaphragm and loudspeaker |
| CN110677784A (en) * | 2019-09-29 | 2020-01-10 | 歌尔股份有限公司 | Loudspeaker of sound cone and applied this sound cone |
| CN110677783A (en) * | 2019-09-29 | 2020-01-10 | 歌尔股份有限公司 | Foam material, vibrating plate and loudspeaker |
| WO2021208474A1 (en) * | 2020-04-17 | 2021-10-21 | 歌尔股份有限公司 | Loudspeaker vibration diaphragm and sound production device |
| CN113709636A (en) * | 2020-05-20 | 2021-11-26 | 歌尔股份有限公司 | Vibrating plate and sound generating device |
| CN113709636B (en) * | 2020-05-20 | 2023-11-17 | 歌尔股份有限公司 | Vibrating plate and sound producing device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |